(19)

(11)

EP 2 629 925 A1

(12)

(43) Date of publication: 28.08.2013 Bulletin 2013/35 (21) Application number: 11833923.3 (22) Date of filing: 20.10.2011

(51) International Patent Classification (IPC):  B23K 37/02(2006.01) B23K 9/28(2006.01) (86) International application number: PCT/FI2011/050917 (87) International publication number: WO 2012/052621 (26.04.2012 Gazette 2012/17)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 22.10.2010 FI 20106095 (71) Applicant: Kemppi OY 15800 Lahti (FI)	(72) Inventor: JOKINEN, Petteri FI-15200 Lahti (FI) (74) Representative: Westerholm, Carl Christian et al Boco IP Oy Ab Itämerenkatu 5 00180 Helsinki Itämerenkatu 5 00180 Helsinki (FI)